Table 2. Median knowledge, attitude, and overall scores before and after intervention.

Characteristic	Median score (95% CI)	P value
Knowledge
Before Intervention	56 (54–57)	<0.001
After Intervention	72 (70–74)
Attitude
Before Intervention	72 (71–75)	<0.001
After Intervention	75 (73-77)
Total score
Before Intervention	127 (125–131)	<0.001
After Intervention	146 (144–149)

The scores before and after the intervention were compared using Wilcoxon signed-rank test.